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Adding rounded corner and drop shadow to UICollectionViewCell
...'s layer to achieve both results.
cell.contentView.layer.cornerRadius = 2.0f;
cell.contentView.layer.borderWidth = 1.0f;
cell.contentView.layer.borderColor = [UIColor clearColor].CGColor;
cell.contentView.layer.masksToBounds = YES;
cell.layer.shadowColor = [UIColor blackColor].CGColor;
cell.layer....
三个退出程序消息：WM_CLOSE、WM_DESTROY、WM_QUIT区别 - C/C++ - 清泛网 -...
...消息循环终止，然后程序结束。
3、退出程序语句
exit(0);
postquitmessage(0);
onok();oncancel();
sendmessage(wm_close,0,0);
exitprocess(0);
其中以exit(0)最为迅速，在实践方面
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Playing .mp3 and .wav in Java?
...
120
Java FX has Media and MediaPlayer classes which will play mp3 files.
Example code:
String bip...
Get last field using awk substr
...ive answer.
– Mari
Jul 29 '13 at 10:27
6
For the penult one, use $(NF-1).
–...
Pandas: Setting no. of max rows
...
Set display.max_rows:
pd.set_option('display.max_rows', 500)
For older versions of pandas (<=0.11.0) you need to change both display.height and display.max_rows.
pd.set_option('display.height', 500)
pd.set_option('display.max_rows', 500)
See also pd.describe_option('display...
Using two values for one switch case statement
...tic void main(String[] args) {
int month = 2;
int year = 2000;
int numDays = 0;
switch (month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
numDays = 3...
How to remove indentation from an unordered list item?
...entation from ul . I tried setting margin , padding , text-indent to 0 , but no avail. Seems that setting text-indent to a negative number does the trick - but is that really the only way to remove the indentation?
...
How can I declare optional function parameters in Javascript? [duplicate]
...
With ES6: This is now part of the language:
function myFunc(a, b = 0) {
// function body
}
Please keep in mind that ES6 checks the values against undefined and not against truthy-ness (so only real undefined values get the default value - falsy values like null will not default).
Wit...
Get all object attributes in Python? [duplicate]
...
Eli CollinsEli Collins
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...
Random Gaussian Variables
...rand = new Random(); //reuse this if you are generating many
double u1 = 1.0-rand.NextDouble(); //uniform(0,1] random doubles
double u2 = 1.0-rand.NextDouble();
double randStdNormal = Math.Sqrt(-2.0 * Math.Log(u1)) *
Math.Sin(2.0 * Math.PI * u2); //random normal(0,1)
double randNormal =...